How strange, you might say. What other big tech companies have failed to implement this important standard?
Has Google, for GOOGLE.COM? No.
Apple? No.
Microsoft? Negatory, good buddy.
Oracle? Norp.
Netflix? Nopers.
Facebook? Nah.
Twitter? Nein!
Cisco? Nyet.
IBM? Nervenvarn!
Salesforce.com? Nay.
Stripe? Absolutely not.
Braintree? Perish the thought.
What about Github? What about no!
Bank of America? Bank of no DNSSEC.
Citigroup? Bullfinch! †
Surely Schwab. But, alas, no.
Goldman Sachs? Not on your life.
JPMC? Nah.
Aha, NASDAQ! No way.
DNSSEC is moribund. It's a failed standard with no support, and its position worsens with each passing month (it's taking hits from DoH, from RDAP, from CT, from MTA-STS, from multi-perspective lookup, and also from serious security operators not trusting the DNS to begin with). Not implementing this pointless IETF boondoggle is one of the more forward-thinking decisions AWS has made.
† (A website assures me that this is in fact a synonym for "nope").